Click the image for a larger version.

It's getting colder, and there probably are some pretty icy pavements and sidewalks that one might come across this time of year. At first glance this device looks pretty useful, but I think you'd need a much bigger and stronger dog to carry the whole thing around. Also, from that illustration, it doesn't look like you would quite land on the pillow. It would probably need some tweaking before I would use it.